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110-90 million years ago
New 26Al/10Be dating suggests they are in the range of 680
Scientific Name: Utahraptor ostrommaysorum
Ammonites and baculites belong to the Phylum Mollusca and the Class Cephalopoda
and given the name Ornithocephalus Munsteri
Trionyx, Turtle, Hell Creek Formation, Montana Protoceratops 110-90 million years agoFrom the Hell Creek Formation, Cretaceous Age of Montana. TRIONYX is an extremely rarte soft shell turtle. Complete articulated specimen such as this one are EXTREMELY RARE. This specimen is from the Hell Creek Formation, Cretaceous Age of Montana. Trionyx is a soft shelled aquatic turtle which still lives today but dates back to the Jurassic age. Modern trionychid turtles are found today in North America, Africa and Asia. This specimen is a replica